Wu Gang threw the spirit stone in and then walked into the administrative building.

Pushing open the door, the spiritual energy inside became even more intense. Wu Gang had reason to believe that if he stayed here for a long time, his strength would improve by leaps and bounds.

Of course, this is not the reason why Wu Gang stayed here.

Looking inside, Wu Gang found that there is no one there?

"Why are you still standing there? Jump over the dragon ...